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Mechanical and thermophysical properties of hot-pressed SYNROC B

Description: The optimal SYNROC compositons for use with commercial waste are reviewed. Large amounts of powder (about 2.5 kg) were prepared by convention al ceramic operations to test the SYNROC concept on a processing scale. Samples, 15.2 cm in diameter, were hot pressed in graphite, and representative samples were cut for microstructural evaluations. Measured mechanical and thermophysical properties did not vary significantly as a function of sample location and were typical of titanate ceramic materials. more
Date: May 6, 1981
Creator: Hoenig, C. L.; Newkirk, H. W.; Otto, R. A.; Brady, R. L.; Brown, A. E.; Ulrich, A. R. et al.
Partner: UNT Libraries Government Documents Department
open access

Experimental Evidence for Topological Doping in the Cuprates

Description: Some recent experiments that provide support for the concept of topological doping in cuprate superconductors are discussed. Consistent with the idea of charge segregation, it is argued that the scattering associated with the ''resonance'' peak found in YBa{sub 2}Cu{sub 3}O{sub 6+x} and Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} comes from the Cu spins and not from the doped holes.
Date: April 6, 1999
Creator: Tranquada, J. M.
Partner: UNT Libraries Government Documents Department
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